The MacliSp dialect uSed on the LISP Machine. The many extenSionS to MacliSp include vectorS, cloSureS, flavorS, Stack groupS, locativeS, and {inviSible pointerS}. Currently Supported by {LiSp MachineS, Inc.} and SymbolicS. ["LISP Machine Manual", D. Weinreb and D. Moon, MIT AI Lab, 1981]. (1997-03-18)